<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    .container{
      width: 1226px;
      height: 10000px;
      background: violet;
      margin-left: auto;
      margin-right: auto;
    }
    .tool-bar{
      border: 1px solid #000;
      position: fixed;
      right: 0;
      bottom: 100px;
    }
    .item{
      width: 84px;
      height: 92px;
    }
    .item+ .item{
      border-top: 1px solid #000;
    }
     @media (max-width: 1380px){
      .tool-bar{
        right: auto;
        left: 50%;
        margin-left: 613px;
      }
      .item{
        width: 27px;
        height: 43px;
      }
      .item span{
        display: none;
      }
    }
  </style>
</head>
<body>
 <div class="container"></div> 
 <div class="tool-bar">
   <div class="item"><span>文字</span></div>
   <div class="item"><span>文字</span></div>
   <div class="item"><span>文字</span></div>
   <div class="item"><span>文字</span></div>
   <div class="item"><span>文字</span></div>
 </div>
</body>
</html>